<div nz-row [nzGutter]="24">
  <div nz-col [nzSpan]="12" style="margin: 10px 0;">
      <app-base-chart [option]="option1"></app-base-chart>
  </div>
  <div nz-col [nzSpan]="12" style="margin: 10px 0;">
      <app-base-chart [option]="option2"></app-base-chart>
  </div>
  <div nz-col [nzSpan]="12" style="margin: 10px 0;">
      <app-base-chart [option]="option3" ></app-base-chart>
  </div>
  <div nz-col [nzSpan]="12" style="margin: 10px 0;">
      <app-base-chart [option]="option4" ></app-base-chart>
  </div>
</div>